last year,my friend sent me a MP3 player as birthday present. I love it and use it often in the following days. It's really fantastic! She told me it was bought from web, and there were many other kinds of things. so i go to have a look,finally ,i was attracted by it. it has a price comparison. It can show you the stores and prices on products you are looking for. It is a great place to start. Now,I recommend it to all of you!
http://www.sourcingmap.com/mp3mp4-c-981.html
Hope it will help you. Good Luck!